Stopping e4-e5.
14. g5h4 A bold and surprising move, although objectively not correct. It's very brave on Gukesh's part to go for complications, sacrificing a piece instead of trying to force a draw after being outprepared in the opening. 14... g7g5 Giri correctly accepts the challenge. 15. f3g5  15... h6g5  16. h4g5 